1879. United States. Army. Office of the Chief of Engineers. Shows railroads.; Relief shown by hachures. 80 x 72 centimeters Scale approximately 1:1,520,640 not 1:1,500,000 General Map Collection. U.S. Army? (Washington, D.C.?).
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1924. Geological Survey (U.S.). Relief shown by contours and spot heights.; Index map on each sheet. each sheet 54 x 69 centimeters or smaller Scale 1:31,680 General Map Collection. The Survey (Washington, D.C).
1927. Geological Survey (U.S.). Relief shown by contours and spot heights.; Each sheet includes "Key map of plan sheets."; "Printed in 1927."; "19 plans, 1 profile sheet." on shee... U.S. Geological Survey (Washington).